Apparatus for detecting the presence of fog for automotive...

Details Apparatus for detecting the presence of fog for automotive... Apparatus for detecting the presence of fog for automotive...

2007-09-12

2010-02-02

Lieu, Julie (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

C340S601000, C340S602000, C348S122000, C348S148000

Reexamination Certificate

active

07656277

ABSTRACT:
An on-vehicle fog-presence determining apparatus having image fog-state determining means for determining whether or not an image picked up by an on-vehicle camera mounted on a vehicle is disclosed. The apparatus comprises far-flung brightness acquiring means for acquiring a brightness of a far-flung road region, sky brightness acquiring means for acquiring a brightness of a sky around the vehicle and image fog-state determining means for making judgment using the brightness of the far-flung road region and the brightness of the sky.

REFERENCES:
patent: 6037976 (2000-03-01), Wixson
patent: 11-139262 (1999-05-01), None
patent: 11-326541 (1999-11-01), None
patent: 2001-028746 (2001-01-01), None
patent: 2003-132458 (2003-05-01), None
patent: 2006-349492 (2006-12-01), None
patent: WO 03/069275 (2003-08-01), None
U.S. Appl. No. 11/598,857, filed Nov. 2006, Kawasaki.

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